Alex Merced — Developer and technical writer sharing in-depth insights on data engineering, Apache Iceberg, data lakehouse architectures, Python tooling, and modern analytics platforms, with a strong focus on practical, hands-on learning.
333 articles from this blog
A collection of React.js code snippets and quick tips for building projects, shared as images from social media.
A beginner's guide to setting up a web server using Express.js, covering installation, basic server setup, and routing.
A beginner's tutorial on the Svelte JavaScript framework, covering basics like variables, props, and component structure.
Announcing new and updated project templates for the merced-spinup tool, including React, Vue, Express, and CLI setups.
A beginner's guide to TypeScript fundamentals, covering basic typing, interfaces, and enums with practical examples.
A tutorial on how to write and implement custom JavaScript Promises for handling asynchronous operations.
Explains core React concepts like state, props, lifecycle, and context using a human component analogy for beginners.
A comprehensive React cheat sheet covering project setup, components, props, state, lifecycle, forms, JSX, and Hooks with code examples.
A comprehensive list of online coding playgrounds and prototyping tools for developers, including Repl.it, CodePen, and CodeSandbox.
A reference guide covering the basics of React Hooks, including useState, useEffect, useRef, useContext, and useReducer.
A guide to data communication in Vue.js components, covering props, $attrs, and router-view patterns for effective state management.
Introducing merced-spinup, a CLI tool to quickly bootstrap project templates for various frontend libraries and frameworks, including custom web component libraries.
A technical guide explaining JavaScript Promises and comparing three methods for making API calls: Fetch, Axios, and $.ajax.
A tutorial on connecting to a MongoDB database using the Mongoose ODM library in JavaScript, including setup, schemas, and queries.
A guide for developers on building a personal brand through projects, blogging, social media, and public contributions to advance their tech career.
A reference guide comparing jQuery and vanilla JavaScript for DOM manipulation, covering element selection, creation, and event handling.
Explains JavaScript event handling in browsers and Node.js, covering built-in DOM events, custom events, and practical implementation.
A comprehensive reference guide for developers covering essential Bash commands, Git workflows, VSCode tips, Node.js basics, and community resources.
Explains the lifecycle functions (connectedCallback, disconnectedCallback, etc.) available in native Web Components for controlling behavior during rendering and updates.
An introduction to Svelte, a modern frontend framework that compiles code for efficient DOM updates, with a basic tutorial on components and state.
